Tanya wants to order 50 pizzas for a party. however, the pizza supplier can deliver only 45 pizzas on the given date. how will you describe the relationship between demand and supply of pizzas?

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions.length: feetwidth: feet

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.